diff --git a/reframe/utility/os_ext.py b/reframe/utility/os_ext.py
index 290d095a7a..d3c57cf972 100644
--- a/reframe/utility/os_ext.py
+++ b/reframe/utility/os_ext.py
@@ -357,7 +357,7 @@ def git_repo_hash(branch='HEAD', short=True, wd=None):
             completed = run_command('git rev-parse %s' % branch,
                                     check=True, log=False)
 
-    except SpawnedProcessError:
+    except (SpawnedProcessError, FileNotFoundError):
         return None
 
     hash = completed.stdout.strip()
diff --git a/unittests/test_utility.py b/unittests/test_utility.py
index f8439ff47d..4cc1329334 100644
--- a/unittests/test_utility.py
+++ b/unittests/test_utility.py
@@ -187,13 +187,17 @@ def test_is_url():
     assert not os_ext.is_url(repo_ssh)
 
 
-def test_git_repo_hash():
+def test_git_repo_hash(monkeypatch):
     # A git branch hash consists of 8(short) or 40 characters.
     assert len(os_ext.git_repo_hash()) == 8
     assert len(os_ext.git_repo_hash(short=False)) == 40
     assert os_ext.git_repo_hash(branch='invalid') is None
     assert os_ext.git_repo_hash(branch='') is None
 
+    # Imitate a system with no git installed by emptying the PATH
+    monkeypatch.setenv('PATH', '')
+    assert os_ext.git_repo_hash() is None
+
 
 def test_git_repo_exists():
     assert os_ext.git_repo_exists('https://github.com/eth-cscs/reframe.git',